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Finding the Third Proportional to 271,344 and 415,080

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Solution

The third proportional to 271,344 and 415,080 is: 634,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,344 : 415,080 = 415,080 : x
  2. Step 2: Convert to fraction form
    271,344/415,080 = 415,080/x
  3. Step 3: Cross multiply
    271,344x = 415,080 × 415,080
  4. Step 4: Simplify right side
    271,344x = 172,291,406,400
  5. Step 5: Solve for x
    x = 172,291,406,400/271,344
  6. Step 6: Final answer
    x = 634,955.65

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.